1 /*
2  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Rob Clark <robclark@freedesktop.org>
25  */
26 
27 #ifndef FREEDRENO_GMEM_H_
28 #define FREEDRENO_GMEM_H_
29 
30 #include "pipe/p_state.h"
31 #include "util/list.h"
32 
33 #include "freedreno_util.h"
34 
35 /* per-pipe configuration for hw binning: */
36 struct fd_vsc_pipe {
37 	uint8_t x, y, w, h;      /* VSC_PIPE[p].CONFIG */
38 };
39 
40 /* per-tile configuration for hw binning: */
41 struct fd_tile {
42 	uint8_t p;               /* index into vsc_pipe[]s */
43 	uint8_t n;               /* slot within pipe */
44 	uint16_t bin_w, bin_h;
45 	uint16_t xoff, yoff;
46 };
47 
48 struct fd_gmem_stateobj {
49 	struct pipe_reference reference;
50 	struct fd_screen *screen;
51 	void *key;
52 
53 	uint32_t cbuf_base[MAX_RENDER_TARGETS];
54 	uint32_t zsbuf_base[2];
55 	uint8_t cbuf_cpp[MAX_RENDER_TARGETS];
56 	uint8_t zsbuf_cpp[2];
57 	uint16_t bin_h, nbins_y;
58 	uint16_t bin_w, nbins_x;
59 	uint16_t minx, miny;
60 	uint16_t width, height;
61 	uint16_t maxpw, maxph;   /* maximum pipe width/height */
62 	uint8_t num_vsc_pipes;   /* number of pipes for a20x */
63 
64 	struct fd_vsc_pipe vsc_pipe[32];
65 	struct fd_tile     tile[2048];
66 
67 	struct list_head node;
68 };
69 
70 void __fd_gmem_destroy(struct fd_gmem_stateobj *gmem);
71 
72 static inline void
fd_gmem_reference(struct fd_gmem_stateobj ** ptr,struct fd_gmem_stateobj * gmem)73 fd_gmem_reference(struct fd_gmem_stateobj **ptr, struct fd_gmem_stateobj *gmem)
74 {
75 	struct fd_gmem_stateobj *old_gmem = *ptr;
76 
77 	if (pipe_reference(&(*ptr)->reference, &gmem->reference))
78 		__fd_gmem_destroy(old_gmem);
79 
80 	*ptr = gmem;
81 }
82 
83 struct fd_gmem_cache {
84 	struct hash_table *ht;
85 	struct list_head lru;
86 };
87 
88 struct fd_batch;
89 
90 void fd_gmem_render_tiles(struct fd_batch *batch);
91 unsigned fd_gmem_estimate_bins_per_pipe(struct fd_batch *batch);
92 bool fd_gmem_needs_restore(struct fd_batch *batch, const struct fd_tile *tile,
93 		uint32_t buffers);
94 
95 struct pipe_screen;
96 void fd_gmem_screen_init(struct pipe_screen *pscreen);
97 void fd_gmem_screen_fini(struct pipe_screen *pscreen);
98 
99 #endif /* FREEDRENO_GMEM_H_ */
100